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Finding the Fourth Proportional to 400.44, 600.93 and 156.93

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Solution

The fourth proportional to 400.44, 600.93 and 156.93 is: 235.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    400.44 : 600.93 = 156.93 : x
  2. Step 2: Convert to fraction form
    400.44/600.93 = 156.93/x
  3. Step 3: Cross multiply
    400.44x = 600.93 × 156.93
  4. Step 4: Simplify right side
    400.44x = 94,303.16
  5. Step 5: Solve for x
    x = 94,303.16/400.44
  6. Step 6: Final answer
    x = 235.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.